Buggy code:
private void initializeProperties ( CLArgsParser parser ) { } private String processLAST ( String jmlogfile , String suffix ) { } private void startNonGui ( String testFile , String logFile , CLOption remoteStart ) throws IllegalUserActionException { } private void runNonGui ( String testFile , String logFile , boolean remoteStart , String remote_hosts_string ) { FileInputStream reader = null ; try { File f = new File ( testFile ) ; if ( ( ! ( f . exists ( ) ) ) || ( ! ( f . isFile ( ) ) ) ) { JMeter . println ( ( "Could<seq2seq4repair_space>not<seq2seq4repair_space>open<seq2seq4repair_space>" + testFile ) ) ; return ; } FileServer . getFileServer ( ) . setBaseForScript ( f ) ; reader = new FileInputStream ( f ) ; JMeter . log . info ( ( "Loading<seq2seq4repair_space>file:<seq2seq4repair_space>" + f ) ) ; HashTree tree = SaveService . loadTree ( reader ) ; @ SuppressWarnings ( "deprecation" ) JMeterTreeModel treeModel = new JMeterTreeModel ( new Object ( ) ) ; JMeterTreeNode root = ( ( JMeterTreeNode ) ( treeModel . getRoot ( ) ) ) ; treeModel . addSubTree ( tree , root ) ; SearchByClass < ReplaceableController > replaceableControllers = new SearchByClass < ReplaceableController > ( ReplaceableController . class ) ; tree . traverse ( replaceableControllers ) ; Collection < ReplaceableController > replaceableControllersRes = replaceableControllers . getSearchResults ( ) ; for ( Iterator < ReplaceableController > iter = replaceableControllersRes . iterator ( ) ; iter . hasNext ( ) ; ) { ReplaceableController replaceableController = iter . next ( ) ; replaceableController . resolveReplacementSubTree ( root ) ; } JMeter . convertSubTree ( tree ) ; Summariser summer = null ; String summariserName = JMeterUtils . getPropDefault ( "summariser.name" , "" ) ; if ( ( summariserName . length ( ) ) > 0 ) { JMeter . log . info ( ( ( "Creating<seq2seq4repair_space>summariser<seq2seq4repair_space><" + summariserName ) + ">" ) ) ; JMeter . println ( ( ( "Creating<seq2seq4repair_space>summariser<seq2seq4repair_space><" + summariserName ) + ">" ) ) ; summer = new Summariser ( summariserName ) ; } if ( logFile != null ) { ResultCollector logger = new ResultCollector ( summer ) ; logger . setFilename ( logFile ) ; tree . add ( tree . getArray ( ) [ 0 ] , logger ) ; } else { if ( summer != null ) { tree . add ( tree . getArray ( ) [ 0 ] , summer ) ; } } List < JMeterEngine > engines = new LinkedList < JMeterEngine > ( ) ; tree . add ( tree . getArray ( ) [ 0 ] , new JMeter . ListenToTest ( parent , ( remoteStart && ( remoteStop ) ? engines : null ) ) ) ; JMeter . println ( ( "Created<seq2seq4repair_space>the<seq2seq4repair_space>tree<seq2seq4repair_space>successfully<seq2seq4repair_space>using<seq2seq4repair_space>" + testFile ) ) ; if ( ! remoteStart ) { JMeterEngine engine = new StandardJMeterEngine ( ) ; engine . configure ( tree ) ; long now = System . currentTimeMillis ( ) ; JMeter . println ( ( ( ( ( "Starting<seq2seq4repair_space>the<seq2seq4repair_space>test<seq2seq4repair_space>@<seq2seq4repair_space>" + ( new Date ( now ) ) ) + "<seq2seq4repair_space>(" ) + now ) + ")" ) ) ; engine . runTest ( ) ; engines . add ( engine ) ; } else { StringTokenizer st = new StringTokenizer ( remote_hosts_string , "," ) ; List < String > failingEngines = new ArrayList < String > ( st . countTokens ( ) ) ; while ( st . hasMoreElements ( ) ) { String el = ( ( String ) ( st . nextElement ( ) ) ) ; JMeter . println ( ( "Configuring<seq2seq4repair_space>remote<seq2seq4repair_space>engine<seq2seq4repair_space>for<seq2seq4repair_space>" + el ) ) ; JMeter . log . info ( ( "Configuring<seq2seq4repair_space>remote<seq2seq4repair_space>engine<seq2seq4repair_space>for<seq2seq4repair_space>" + el ) ) ; JMeterEngine eng = doRemoteInit ( el . trim ( ) , tree ) ; if ( null != eng ) { engines . add ( eng ) ; } else { failingEngines . add ( el ) ; JMeter . println ( ( "Failed<seq2seq4repair_space>to<seq2seq4repair_space>configure<seq2seq4repair_space>" + el ) ) ; } } if ( engines . isEmpty ( ) ) { JMeter . println ( "No<seq2seq4repair_space>remote<seq2seq4repair_space>engines<seq2seq4repair_space>were<seq2seq4repair_space>started." ) ; return ; } if ( ( failingEngines . size ( ) ) > 0 ) { <START_BUG> throw new IllegalArgumentException ( ( "The<seq2seq4repair_space>following<seq2seq4repair_space>remote<seq2seq4repair_space>engines<seq2seq4repair_space>did<seq2seq4repair_space>not<seq2seq4repair_space>start<seq2seq4repair_space>correclty:" + failingEngines ) ) ; <END_BUG> } JMeter . println ( "Starting<seq2seq4repair_space>remote<seq2seq4repair_space>engines" ) ; JMeter . log . info ( "Starting<seq2seq4repair_space>remote<seq2seq4repair_space>engines" ) ; long now = System . currentTimeMillis ( ) ; JMeter . println ( ( ( ( ( "Starting<seq2seq4repair_space>the<seq2seq4repair_space>test<seq2seq4repair_space>@<seq2seq4repair_space>" + ( new Date ( now ) ) ) + "<seq2seq4repair_space>(" ) + now ) + ")" ) ) ; for ( JMeterEngine engine : engines ) { engine . runTest ( ) ; } JMeter . println ( "Remote<seq2seq4repair_space>engines<seq2seq4repair_space>have<seq2seq4repair_space>been<seq2seq4repair_space>started" ) ; JMeter . log . info ( "Remote<seq2seq4repair_space>engines<seq2seq4repair_space>have<seq2seq4repair_space>been<seq2seq4repair_space>started" ) ; } JMeter . startUdpDdaemon ( engines ) ; } catch ( Exception e ) { System . out . println ( ( "Error<seq2seq4repair_space>in<seq2seq4repair_space>NonGUIDriver<seq2seq4repair_space>" + ( e . toString ( ) ) ) ) ; JMeter . log . error ( "Error<seq2seq4repair_space>in<seq2seq4repair_space>NonGUIDriver" , e ) ; } finally { JOrphanUtils . closeQuietly ( reader ) ; } } public static void convertSubTree ( HashTree tree ) { } private JMeterEngine doRemoteInit ( String hostName , HashTree testTree ) { } private static class ListenToTest implements Runnable , Remoteable , TestStateListener { private final AtomicInteger started = new AtomicInteger ( 0 ) ; private final List < JMeterEngine > engines ; public ListenToTest ( JMeter unused , List < JMeterEngine > engines ) { } @ Override public void testEnded ( String host ) { } @ Override public void testEnded ( ) { } @ Override public void testStarted ( String host ) { } @ Override public void testStarted ( ) { } @ Override public void run ( ) { } private void checkForRemainingThreads ( ) { } } private static void println ( String str ) { }

Fix:
throw new IllegalArgumentException ( ( "The<seq2seq4repair_space>following<seq2seq4repair_space>remote<seq2seq4repair_space>engines<seq2seq4repair_space>could<seq2seq4repair_space>not<seq2seq4repair_space>be<seq2seq4repair_space>configured:" + failingEngines ) ) ;